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A083152
as a simple table
n
a(n)
1
101
2
11
3
91
4
9901
5
11
6
911
7
108949
8
99009901
9
948230256347
10
10000000000000001
[101,11,91,9901,11,911,108949,99009901, 948230256347,10000000000000001]